Finding the Fourth Proportional to 1,684,684.72, 2,324,859.36 and 920,738.08
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Solution
The fourth proportional to 1,684,684.72, 2,324,859.36 and 920,738.08 is: 1,270,615.52
Step by Step Solution
- Step 1: Write the proportion equation
1,684,684.72 : 2,324,859.36 = 920,738.08 : x - Step 2: Convert to fraction form
1,684,684.72/2,324,859.36 = 920,738.08/x - Step 3: Cross multiply
1,684,684.72x = 2,324,859.36 × 920,738.08 - Step 4: Simplify right side
1,684,684.72x = 2,140,586,543,396.43 - Step 5: Solve for x
x = 2,140,586,543,396.43/1,684,684.72 - Step 6: Final answer
x = 1,270,615.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.